X-Git-Url: http://git.droids-corp.org/?p=protos%2Fxbee-avr.git;a=blobdiff_plain;f=rc_proto.c;h=4c09ac3026fdc8e52f8244d282012b24a4d3d89b;hp=8ea3767b26b7fc54d8ba8bfcb57e6b78a2849406;hb=704c313fd4d921d356e6fe846554591b03e20de7;hpb=6811941dc02f68dd0305a30f3c1cf72a23566b6b

diff --git a/rc_proto.c b/rc_proto.c
index 8ea3767..4c09ac3 100644
--- a/rc_proto.c
+++ b/rc_proto.c
@@ -149,7 +149,7 @@ static void rc_proto_rx_power_probe(int power_level)
 		(void *)(intptr_t)power_level);
 }
 
-/* called every second */
+/* called every second to decide which power should be used */
 static void compute_best_power(void)
 {
 	int8_t best_power_level = -1;
@@ -183,8 +183,13 @@ static void compute_best_power(void)
 	power_level_global = best_power_level;
 }
 
-static uint8_t get_best_power(void)
+/* return the best power level, or -1 if best power level computation is
+ * disabled. */
+static int8_t get_best_power(void)
 {
+	if ((rc_proto_flags & RC_PROTO_FLAGS_COMPUTE_BEST_POW) == 0)
+		return -1;
+
 	/* special values */
 	if (power_level_global == -1) {
 		power_level_global = -4;
@@ -728,10 +733,12 @@ static void rc_proto_cb(struct callout_mgr *cm, struct callout *tim, void *arg)
 	}
 
 	/* send stats to peer every second */
-	diff = t - prev_compute_pow;
-	if (diff >= 1000) {
-		compute_best_power();
-		prev_compute_pow = t;
+	if (rc_proto_flags & RC_PROTO_FLAGS_COMPUTE_BEST_POW) {
+		diff = t - prev_compute_pow;
+		if (diff >= 1000) {
+			compute_best_power();
+			prev_compute_pow = t;
+		}
 	}
 
 	/* send stats to peer every second */